#ifndef UI_H
#define UI_H
#include<iostream>
using  std::string; 

class UI
{
private:
    UI(){};        
    static UI* m_ui;
public:
    static  UI* getInstance()
    {
        if(0 == m_ui)
        {
            m_ui = new UI;
        }
        return m_ui;
    }
    void LoginInteface();
    void Admin();
    void usrLogin(string & acount, string & passwd);
    
};//class UI

#endif